//package com.wangxinenpu.springbootdemo.util;
//
///*
// * Copyright 2010-2020 Alfresco Software, Ltd.
// *
// * Licensed under the Apache License, Version 2.0 (the "License");
// * you may not use this file except in compliance with the License.
// * You may obtain a copy of the License at
// *
// *     http://www.apache.org/licenses/LICENSE-2.0
// *
// * Unless required by applicable law or agreed to in writing, software
// * distributed under the License is distributed on an "AS IS" BASIS,
// * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// * See the License for the specific language governing permissions and
// * limitations under the License.
// */
//
//import org.slf4j.Logger;
//import org.slf4j.LoggerFactory;
//import org.springframework.beans.factory.annotation.Autowired;
//import org.springframework.security.core.Authentication;
//import org.springframework.security.core.GrantedAuthority;
//import org.springframework.security.core.context.SecurityContextHolder;
//import org.springframework.security.core.context.SecurityContextImpl;
//import org.springframework.security.core.userdetails.UserDetails;
//import org.springframework.security.core.userdetails.UserDetailsService;
//import org.springframework.stereotype.Component;
//
//import java.util.Collection;
//
//@Component
//public class SecurityUtil {
//
//    private Logger logger = LoggerFactory.getLogger(SecurityUtil.class);
//
//    @Autowired
//    private UserDetailsService userDetailsService;
//
//    public void logInAs(String username) {
//
//        UserDetails user = userDetailsService.loadUserByUsername(username);
//        if (user == null) {
//            throw new IllegalStateException("User " + username + " doesn't exist, please provide a valid user");
//        }
//        logger.info("> Logged in as: " + username);
//        SecurityContextHolder.setContext(new SecurityContextImpl(new Authentication() {
//            @Override
//            public Collection<? extends GrantedAuthority> getAuthorities() {
//                return user.getAuthorities();
//            }
//
//            @Override
//            public Object getCredentials() {
//                return user.getPassword();
//            }
//
//            @Override
//            public Object getDetails() {
//                return user;
//            }
//
//            @Override
//            public Object getPrincipal() {
//                return user;
//            }
//
//            @Override
//            public boolean isAuthenticated() {
//                return true;
//            }
//
//            @Override
//            public void setAuthenticated(boolean isAuthenticated) throws IllegalArgumentException {
//
//            }
//
//            @Override
//            public String getName() {
//                return user.getUsername();
//            }
//        }));
//        org.activiti.engine.impl.identity.Authentication.setAuthenticatedUserId(username);
//    }
//}
